Division of Environmental Hygiene, Harvard School of Public Health, Boston, Massachusetts†

Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts†

Abstract

Studies were made on 161 flax-mill workers at work by means of a questionnaire similar to that developed by the Medical Research Council and by means of simple pulmonary function tests. Air samples were obtained at various working sites. In this group of workers the effect of cigarette smoking as a factor in the production of chronic non-specific respiratory disease far outweighed the occupational exposures to dust or the effect of age in the males. There were insufficient diseased females for statistical analysis.

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Footnotes

↵* This paper was delivered at the 4th International Epidemiological Association meeting at Korcula, August 26 to September 2, 1961.

↵† This study was aided in part by U.S. Public Health Service Grant OH-67 (formerly RG-7631).

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